package com.gaofeng.day19;

import java.util.LinkedHashMap;

public class demo05 {
    public static void main(String[] args) {
        LinkedHashMap<String,Integer> lm = new LinkedHashMap<>();
        lm.put("a",123);
        lm.put("b",345);
        lm.put("c",567);
        lm.put("d",789);

        System.out.println(lm);
    }
}
